Finding the Fourth Proportional to 112,315.40, 168,471.50 and 33,430.04

Step by Step Solution

1. Step 1: Write the proportion equation
   112,315.40 : 168,471.50 = 33,430.04 : x
2. Step 2: Convert to fraction form
   112,315.40/168,471.50 = 33,430.04/x
3. Step 3: Cross multiply
   112,315.40x = 168,471.50 × 33,430.04
4. Step 4: Simplify right side
   112,315.40x = 5,632,008,983.86
5. Step 5: Solve for x
   x = 5,632,008,983.86/112,315.40
6. Step 6: Final answer
   x = 50,144.58